From d8573e20d5d6974305599dde42b5dd7583310ccf Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Thu, 13 Jul 2006 16:05:26 -0700 Subject: [SPARC64]: Make sure IRQs are disabled properly during early boot. Else we trigger the new irqs_disable() assertion in start_kernel(). Signed-off-by: David S. Miller --- arch/sparc64/kernel/head.S | 13 ++++++------- arch/sparc64/kernel/time.c | 2 -- 2 files changed, 6 insertions(+), 9 deletions(-) (limited to 'arch') diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S index 75684b56767..c8e9dc9d68a 100644 --- a/arch/sparc64/kernel/head.S +++ b/arch/sparc64/kernel/head.S @@ -551,9 +551,10 @@ setup_trap_table: save %sp, -192, %sp /* Force interrupts to be disabled. */ - rdpr %pstate, %o1 - andn %o1, PSTATE_IE, %o1 + rdpr %pstate, %l0 + andn %l0, PSTATE_IE, %o1 wrpr %o1, 0x0, %pstate + rdpr %pil, %l1 wrpr %g0, 15, %pil /* Make the firmware call to jump over to the Linux trap table. */ @@ -622,11 +623,9 @@ setup_trap_table: call init_irqwork_curcpu nop - /* Now we can turn interrupts back on. */ - rdpr %pstate, %o1 - or %o1, PSTATE_IE, %o1 - wrpr %o1, 0, %pstate - wrpr %g0, 0x0, %pil + /* Now we can restore interrupt state. */ + wrpr %l0, 0, %pstate + wrpr %l1, 0x0, %pil ret restore diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c index b43de647ba7..094d3e35be1 100644 --- a/arch/sparc64/kernel/time.c +++ b/arch/sparc64/kernel/time.c @@ -928,8 +928,6 @@ static void sparc64_start_timers(void) __asm__ __volatile__("wrpr %0, 0x0, %%pstate" : /* no outputs */ : "r" (pstate)); - - local_irq_enable(); } struct freq_table { -- cgit v1.2.3 From a49261585e2c89f16b5a4bb80f623d2e9c2c1566 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Fri, 14 Jul 2006 16:49:55 -0700 Subject: [SPARC64] psycho: Fix pbm->name handling in pbm_register_toplevel_resources() We shouldn't overwrite it, it's the device node full name already and that's what we want. Based upon a report from Marc Zyngier. Signed-off-by: David S. Miller --- arch/sparc64/kernel/pci_psycho.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'arch') diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c index 197a7ffd57e..83f88ad4ffa 100644 --- a/arch/sparc64/kernel/pci_psycho.c +++ b/arch/sparc64/kernel/pci_psycho.c @@ -1099,9 +1099,6 @@ static void pbm_register_toplevel_resources(struct pci_controller_info *p, { char *name = pbm->name; - sprintf(name, "PSYCHO%d PBM%c", - p->index, - (pbm == &p->pbm_A ? 'A' : 'B')); pbm->io_space.name = pbm->mem_space.name = name; request_resource(&ioport_resource, &pbm->io_space); -- cgit v1.2.3 From ee7022dcfbf660727d6b8553cb0dbc0d4eae8f44 Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Fri, 14 Jul 2006 16:53:50 -0700 Subject: [SPARC64] Fix PSYCHO PCI controler init. pbm->name should be initialized before calling pbm_register_toplevel_resources. Move the call a few lines down to avoid a nice Oops. Signed-off-by: Marc Zyngier Signed-off-by: David S. Miller --- arch/sparc64/kernel/pci_psycho.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c index 83f88ad4ffa..1ec0aab68c0 100644 --- a/arch/sparc64/kernel/pci_psycho.c +++ b/arch/sparc64/kernel/pci_psycho.c @@ -1200,12 +1200,13 @@ static void psycho_pbm_init(struct pci_controller_info *p, pbm->io_space.flags = IORESOURCE_IO; pbm->mem_space.end = pbm->mem_space.start + PSYCHO_MEMSPACE_SIZE; pbm->mem_space.flags = IORESOURCE_MEM; - pbm_register_toplevel_resources(p, pbm); pbm->parent = p; pbm->prom_node = dp; pbm->name = dp->full_name; + pbm_register_toplevel_resources(p, pbm); + printk("%s: PSYCHO PCI Bus Module ver[%x:%x]\n", pbm->name, pbm->chip_version, pbm->chip_revision); -- cgit v1.2.3